I'm a novice to photography and I'm wondering if its possible to combine multiple cameras to get a greater level of precision? I'm thinking that if you capture more light you should be able to improve the quality?

Multiple cameras exposing at the same time implies multiple exposures with different perspectives -- are you talking about trying to combine these multiple outputs into a single 2-D image?
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D. LambertAug 13 '12 at 19:19

Yes into a single image from multiple cameras possibly with different properties.
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Ben CrowhurstAug 13 '12 at 19:29

1

The reason why a VLA (very large array) telescope can work the way it does is that the parallax (the difference in point of view between one 'scope and the next) is negligible. For targets closer to home, cameras that are a mere 6.5cm apart (about the distance between your own pupils) have a different enough viewpoint to render a stereoscopic image for everyday things; the spatial relationships between foreground and background objects shifts quite a bit.
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user2719Aug 13 '12 at 20:24